Sargur schist belt

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stratigraphy of Asia

...of Kolar type with only subordinate sedimentary rocks represent the old greenstone belts that have either intrusive or tectonic contacts with Peninsular gneiss of similar age. The so-called
Sargur schist belts within the Peninsular gneiss may be the oldest suture zones in the Indian subcontinent. In the Angaran platform the older (i.e., more than 3 billion years) gneiss-granulite...